81628620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1175

約数の個数: 96

約数和(自身を含む): 242161920

約数和(自身を除く): 160533300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 43, 58, 60, 86, 87, 116, 129, 145, 172, 174, 215, 258, 290, 348, 430, 435, 516, 580, 645, 860, 870, 1091, 1247, 1290, 1740, 2182, 2494, 2580, 3273, 3741, 4364, 4988, 5455, 6235, 6546, 7482, 10910, 12470, 13092, 14964, 16365, 18705, 21820, 24940, 31639, 32730, 37410, 46913, 63278, 65460, 74820, 93826, 94917, 126556, 140739, 158195, 187652, 189834, 234565, 281478, 316390, 379668, 469130, 474585, 562956, 632780, 703695, 938260, 949170, 1360477, 1407390, 1898340, 2720954, 2814780, 4081431, 5441908, 6802385, 8162862, 13604770, 16325724, 20407155, 27209540, 40814310, 81628620]

約数ペア:

[(1, 81628620), (2, 40814310), (3, 27209540), (4, 20407155), (5, 16325724), (6, 13604770), (10, 8162862), (12, 6802385), (15, 5441908), (20, 4081431), (29, 2814780), (30, 2720954), (43, 1898340), (58, 1407390), (60, 1360477), (86, 949170), (87, 938260), (116, 703695), (129, 632780), (145, 562956), (172, 474585), (174, 469130), (215, 379668), (258, 316390), (290, 281478), (348, 234565), (430, 189834), (435, 187652), (516, 158195), (580, 140739), (645, 126556), (860, 94917), (870, 93826), (1091, 74820), (1247, 65460), (1290, 63278), (1740, 46913), (2182, 37410), (2494, 32730), (2580, 31639), (3273, 24940), (3741, 21820), (4364, 18705), (4988, 16365), (5455, 14964), (6235, 13092), (6546, 12470), (7482, 10910)]